题目内容
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[单选题]
铁塔地网应采用()的热镀锌扁钢将铁塔地基四角塔脚内部金属构件焊接连通组成铁塔地网。
A.50mm*4mm
B.40mm*4mm
C.40mm*5mm
D.50mm*5mm
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A.50mm*4mm
B.40mm*4mm
C.40mm*5mm
D.50mm*5mm
A.20mm*2mm
B.30mm*3mm
C.40mm*4mm
D.50mm*5mm
A.0.7m
B.1.7m
C.7m
D.3m
A.50mm*5mm
B.50mm*4mm
C.40mm*5mm
D.40mm*4mm
A.100mm*10mm
B.20mm*2mm
C.30mm*3mm
D.40mm*4mm